The abductor pollicis longus is a deep forearm muscle that moves the thumb away from the hand, enabling grasping and wide range of thumb motion. It plays a key role in thumb abduction at the wrist and helps stabilize the thumb during precision tasks. This muscle is essential for the hand's ability to grip and manipulate objects effectively.
The name comes from Latin: abductor means "one that leads away," pollicis refers to the thumb, and longus means "long," describing both its function and shape.
Image
